... ,50mm,38mm,25mm,16mmplastic pall ringMaterial; PE,PP,RPP,PVC,CPVC,PVDF ...According to your demand!DH:100mm,76mm, ... pressure drop Application:pall ring is widely used in the packing towers in petroleum industry, chemical industry, alkali-Chloride industry ... .0 1000 70 60 0.95Material:PP,Super PP,PVC,CPVC...According to your demand! 76 76*76*2 ... 274 0.900 A Variety Of Materials Pall Ring For Random Packing